package com.itheima.jicheng;

public class Demo01 {

    public static void main(String[] args) {
        Zi zi = new Zi();
        zi.show();

    }
}

class Fu {
    int i=30;
}

class Zi extends Fu {
    int i=20;
    public void show(){
       int i=10;
        System.out.println(i);
        System.out.println(this.i);
        System.out.println(super.i);
    }

}